From cbe4d43ea5e903ae3e8555cc39047b0ed027738a Mon Sep 17 00:00:00 2001 From: Tao Zhou Date: Mon, 17 Oct 2022 18:22:13 +0800 Subject: [PATCH] drm/amdgpu: add RAS page retirement functions for MCA Define page retirement functions for MCA platform. v2: remove page retirement handling from MCA poison handler, let MCA notifier do page retirement. v3: remove specific poison handler for MCA to simplify code. Signed-off-by: Tao Zhou Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c | 53 +++++++++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h | 2 ++ 2 files changed, 55 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c index aad3c8b..3c83129 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c @@ -22,6 +22,59 @@ */ #include "amdgpu.h" +#include "umc_v6_7.h" + +static int amdgpu_umc_convert_error_address(struct amdgpu_device *adev, + struct ras_err_data *err_data, uint64_t err_addr, + uint32_t ch_inst, uint32_t umc_inst) +{ + switch (adev->ip_versions[UMC_HWIP][0]) { + case IP_VERSION(6, 7, 0): + umc_v6_7_convert_error_address(adev, + err_data, err_addr, ch_inst, umc_inst); + break; + default: + dev_warn(adev->dev, + "UMC address to Physical address translation is not supported\n"); + return AMDGPU_RAS_FAIL; + } + + return AMDGPU_RAS_SUCCESS; +} + +int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev, + uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst) +{ + struct ras_err_data err_data = {0, 0, 0, NULL}; + int ret = AMDGPU_RAS_FAIL; + + err_data.err_addr = + kcalloc(adev->umc.max_ras_err_cnt_per_query, + sizeof(struct eeprom_table_record), GFP_KERNEL); + if (!err_data.err_addr) { + dev_warn(adev->dev, + "Failed to alloc memory for umc error record in MCA notifier!\n"); + return AMDGPU_RAS_FAIL; + } + + /* + * Translate UMC channel address to Physical address + */ + ret = amdgpu_umc_convert_error_address(adev, &err_data, err_addr, + ch_inst, umc_inst); + if (ret) + goto out; + + if (amdgpu_bad_page_threshold != 0) { + amdgpu_ras_add_bad_pages(adev, err_data.err_addr, + err_data.err_addr_cnt); + amdgpu_ras_save_bad_pages(adev); + } + +out: + kfree(err_data.err_addr); + return ret; +} static int amdgpu_umc_do_page_retirement(struct amdgpu_device *adev, void *ras_error_status, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h index 3629d8f..659a10d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h @@ -98,4 +98,6 @@ void amdgpu_umc_fill_error_record(struct ras_err_data *err_data, int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev, void *ras_error_status, struct amdgpu_iv_entry *entry); +int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev, + uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst); #endif -- 2.7.4